The American Centers for Disease Control and Prevention (CDC) conducted a study in partnership with the Thailand Ministry of Public Health to ascertain the effectiveness of providing people who inject drugs illicitly with daily doses of the antiretroviral drug tenofovir as a prevention measure.
The results of the study revealed a 48.9% reduced incidence of the virus among the group of subjects who received the drug, in comparison to the control group who received a placebo.
Social strategies do not require any drug or object to be effective, but rather require persons to change their behaviors to gain protection from HIV.
Some social strategies which people consider include: so HIV testing is almost always a part of any strategy to encourage people to change their behaviors to become less likely to contract HIV.
In the mean time, research in health communication also found that importance of advocating critical skills and informing available resources are higher for people with lower social power, but not necessarily true for people with more power.
Of these, the only universally medically proven method for preventing the spread of HIV during sexual intercourse is the correct use of condoms, and condoms are also the only method promoted by health authorities worldwide.The principal investigator of the study stated in the Lancet medical journal: "We now know that pre-exposure prophylaxis can be a potentially vital option for HIV prevention in people at very high risk for infection, whether through sexual transmission or injecting drug use." Strategies to reduce recurrence rates of HIV have been successful in preventing reinfection.Treatment facilities encourage those previously treated for HIV return to ensure that the infection is being successfully managed.Increased risk of contracting HIV often correlates with infection by other diseases, particularly other sexually transmitted infections.Medical professionals and scientists recommend treatment or prevention of other infections such as herpes, hepatitis A, hepatitis B, hepatitis C, human papillomavirus, syphilis, gonorrhea, and tuberculosis as an indirect way to prevent the spread of HIV infection.However, these things are not as important for European Americans.